Back connections

Usually communication with remote clients must be initialized by the clients. However, once a client has opened a connection, the hosts behind VPN can open a return or back connection to the client. For a back connection, the client's details must be maintained on all the devices between the client and the gateway, and on the gateway itself. Determine whether the back connection is enabled, and the frequency of the Keep Alive packets sent by the client in order to maintain the connection with the gateway.



Hope that helps mate.